MS CRM ships IBF solutions in the feature pack

You can get it here.

The Microsoft Office Information Bridge Framework for Microsoft CRM connects Microsoft Office with Microsoft Business Solutions CRM using compatible Web services. By using the Information Bridge Framework, Microsoft Office System users can interact with Microsoft CRM directly from Microsoft Office Word 2003, Microsoft Office Excel 2003, and Microsoft Office Outlook 2003.
A complete Information Bridge solution comprises the Microsoft Office Information Bridge Framework, the Microsoft CRM data sources that are exposed through Web services, and other custom controls and assemblies created for Microsoft Office Professional 2003.